Survey Identifier: GUAY02WT


Format Acronym: MGD77
Data Center File Number: 15040088
Parameters Surveyed Code: 55333
File Creation Date (yyyymmdd): 19800703
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LAWVER L.
Project: GUAYMAS LEG 2 <NSF OCE78-01664>
Survey Departure Date (yyyymmdd): 19780302
Port of Departure: GUAYMAS,MEXICO
Survey Arrival Date (yyyymmdd): 19780307
Port of Arrival: GUAYMAS,MEXIC0
Navigation Instrumentation: SATNAV,AUTO LOG GYRO+2D DOPPLER SPD LOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/UGR,GIFFT RECORDERS/WIDEBEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: ASKANIA GSS2,ANSCHUTZ ELECT. GYRO TABLE
Additional Forms of Gravity Data: ANALOGUE RECORDS
Seismic Instrumentation: 24CHANNEL,40-300CU.IN.AG,GEOSPACE DAS209
Formats of Seismic Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Topmost Latitude of Survey: +29
Bottommost Latitude: +26
Leftmost Longitude: -112
Rightmost Longitude: -110
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 1612

Min/Max Data Record:
Date: 1978 03 02
Latitude: +26.14750
Longitude: -111.75860
Bathymetry, 2- Way Traveltime: 001100
Bathymetry, Corrected Depth: 82.0
Magnetics Total Field, 1st Sensor: 458610
Magnetics Residual Field: -05090

Min/Max Data Record:
Date: 1978 03 07
Latitude: +28.18880
Longitude: -110.04190
Bathymetry, 2- Way Traveltime: 027300
Bathymetry, Corrected Depth: 2036.0
Magnetics Total Field, 1st Sensor: 476680
Magnetics Residual Field: +07320